these 2 derivations will be built:
  /nix/store/1gn8v4543rn06kv0i8xx9476a8wdhrqj-amp-linux-x64.drv
  /nix/store/isn8n4q7lxncb3m33ilirq4251z2i6p9-amp-0.0.1786320433-geeee54.drv